Investors interested in stocks from the Electronics - Miscellaneous Components sector have probably already heard of OSI Systems (OSIS) and TE Connectivity (TEL). But which of these two stocks is more attractive to value investors? We'll need to take a closer look to find out.We have found that the best way to discover great value opportunities is to pair a strong Zacks Rank with a great grade in the Value category of our Style Scores system. The Zacks Rank is a proven strategy that targets companies with positive earnings estimate revision trends, while our Style Scores work to grade companies based on specific traits.Right now, both OSI Systems and TE Connectivity are sporting a Zacks Rank of # 2 (Buy). The Zacks Rank favors stocks that have recently seen positive revisions to their earnings estimates, so investors should rest assured that both of these companies have improving earnings outlooks. But this is just one piece of the puzzle for value investors.Value investors are also interested in a number of tried-and-true valuation metrics that help show when a company is undervalued at its current share price levels.Our Value category grades stocks based on a number of key metrics, including the tried-and-true P/E ratio, the P/S ratio, earnings yield, and cash flow per share, as well as a variety of other fundamentals that value investors frequently use.OSIS currently has a forward P/E ratio of 18.52, while TEL has a forward P/E of 22.42. We also note that OSIS has a PEG ratio of 1.85. This figure is similar to the commonly-used P/E ratio, with the PEG ratio also factoring in a company's expected earnings growth rate. TEL currently has a PEG ratio of 2.15.Another notable valuation metric for OSIS is its P/B ratio of 2.88. The P/B is a method of comparing a stock's market value to its book value, which is defined as total assets minus total liabilities. By comparison, TEL has a P/B of 4.11.Based on these metrics and many more, OSIS holds a Value grade of B, while TEL has a Value grade of C.Both OSIS and TEL are impressive stocks with solid earnings outlooks, but based on these valuation figures, we feel that OSIS is the superior value option right now.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report OSI Systems, Inc. (OSIS): Free Stock Analysis Report TE Connectivity Ltd. (TEL): Free Stock Analysis Report To read this article on Zacks.com click here.